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Group 5 Element A Group 5 element is an element in periodic table group 5 (IUPAC style) in the periodic table, which consists of: All of these elements are classed in Group 5 because their valence shell holds four electrons. Dubnium can only be produced in the laboratory, it does not exist in nature. Color coding for these atomic numbers: At room temperature, all are solid; red indicates item is synthetic and does not occur naturally. Group 05
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